Finding the Fourth Proportional to 151,986.58, 227,979.50 and 142,738.27

Step by Step Solution

1. Step 1: Write the proportion equation
   151,986.58 : 227,979.50 = 142,738.27 : x
2. Step 2: Convert to fraction form
   151,986.58/227,979.50 = 142,738.27/x
3. Step 3: Cross multiply
   151,986.58x = 227,979.50 × 142,738.27
4. Step 4: Simplify right side
   151,986.58x = 32,541,398,141.82
5. Step 5: Solve for x
   x = 32,541,398,141.82/151,986.58
6. Step 6: Final answer
   x = 214,107.05